. (Future value of an annuity) In 10 years you are planning on retiring and buying a house in Oviedo, Florida. The house you are looking at currently costs $100,000 and is expected to increase in value each year at a rate of 5 percent. Assuming you can earn 10 percent annually on your investments, how much must you invest at the end of each of the next 10 years to be able to buy your dream home when you retire?